package com.example.xueal.privatechat.utils;

/**
 * Created by xueal on 2017/9/22.
 */


import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

//import com.mobileclient.activity.photoListActivity;

public class HttpUtil {
    // 基础URL
    public static final String BASE_URL = "http://127.0.0.1:8080/demo/"; // "http://10.0.2.2:8080/";  http://118.190.211.15:8080/demo/
    public static final String FILE_PATH = "/sdcard/mobileclient";

    // 获得Get请求对象request
    public static HttpGet getHttpGet(String url) {
        HttpGet request = new HttpGet(url);
        return request;
    }

    // 获得Post请求对象request
    public static HttpPost getHttpPost(String url) {
        HttpPost request = new HttpPost(url);
        return request;
    }

    // 根据请求获得响应对象response
    public static HttpResponse getHttpResponse(HttpGet request)
            throws ClientProtocolException, IOException {
        HttpResponse response = new DefaultHttpClient().execute(request);
        return response;
    }

    // 根据请求获得响应对象response
    public static HttpResponse getHttpResponse(HttpPost request)
            throws ClientProtocolException, IOException {
        HttpResponse response = new DefaultHttpClient().execute(request);
        return response;
    }

    // 发送Post请求，获得响应查询结果
    public static String queryStringForPost(String url) {
        // 根据url获得HttpPost对象
        HttpPost request = HttpUtil.getHttpPost(url);
        String result = null;
        try {
            // 获得响应对象
            HttpResponse response = HttpUtil.getHttpResponse(request);
            // 判断是否请求成功
            if (response.getStatusLine().getStatusCode() == 200) {
                // 获得响应
                result = EntityUtils.toString(response.getEntity());
                return result;
            }
        } catch (ClientProtocolException e) {
            e.printStackTrace();
            result = "网络异常！";
            return result;
        } catch (IOException e) {
            e.printStackTrace();
            result = "网络异常！";
            return result;
        }
        return null;
    }

    // 获得响应查询结果
    public static String queryStringForPost(HttpPost request) {
        String result = null;
        try {
            // 获得响应对象
            HttpResponse response = HttpUtil.getHttpResponse(request);
            // 判断是否请求成功
            if (response.getStatusLine().getStatusCode() == 200) {
                // 获得响应
                result = EntityUtils.toString(response.getEntity());
                return result;
            }
        } catch (ClientProtocolException e) {
            e.printStackTrace();
            result = "网络异常！";
            return result;
        } catch (IOException e) {
            e.printStackTrace();
            result = "网络异常！";
            return result;
        }
        return null;
    }

    // 发送Get请求，获得响应查询结果
    public static String queryStringForGet(String url) {
        // 获得HttpGet对象
        HttpGet request = HttpUtil.getHttpGet(url);
        String result = null;
        try {
            // 获得响应对象
            HttpResponse response = HttpUtil.getHttpResponse(request);
            // 判断是否请求成功
            if (response.getStatusLine().getStatusCode() == 200) {
                // 获得响应
                result = EntityUtils.toString(response.getEntity());
                return result;
            }
        } catch (ClientProtocolException e) {
            e.printStackTrace();
            result = "网络异常！";
            return result;
        } catch (IOException e) {
            e.printStackTrace();
            result = "网络异常！";
            return result;
        }
        return null;
    }

    public static boolean sendXML(String path, String xml) throws Exception {
        byte[] data = xml.getBytes();
        URL url = new URL(path);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");
        conn.setConnectTimeout(5 * 1000);
        conn.setDoOutput(true);// 如果通过post提交数据，必须设置允许对外输出数据
        conn.setRequestProperty("Content-Type", "text/xml; charset=UTF-8");
        conn.setRequestProperty("Content-Length", String.valueOf(data.length));
        OutputStream outStream = conn.getOutputStream();
        outStream.write(data);
        outStream.flush();
        outStream.close();
        if (conn.getResponseCode() == 200) {
            return true;
        }
        return false;
    }

    public static byte[] sendGetRequest(String path,
                                        Map<String, String> params, String enc) throws Exception {
        StringBuilder sb = new StringBuilder(path);
        sb.append('?');
        // ?method=save&title=435435435&timelength=89&
        for (Map.Entry<String, String> entry : params.entrySet()) {
            sb.append(entry.getKey()).append('=')
                    .append(URLEncoder.encode(entry.getValue(), enc))
                    .append('&');
        }
        sb.deleteCharAt(sb.length() - 1);

        URL url = new URL(sb.toString());
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");
        conn.setConnectTimeout(5 * 1000);

        if (conn.getResponseCode() == 200) {
            return readStream(conn.getInputStream());
        }
        return null;
    }

    public static boolean sendPostRequest(String path,
                                          Map<String, String> params, String enc) throws Exception {
        // title=dsfdsf&timelength=23&method=save
        StringBuilder sb = new StringBuilder();
        if (params != null && !params.isEmpty()) {
            for (Map.Entry<String, String> entry : params.entrySet()) {
                sb.append(entry.getKey()).append('=')
                        .append(URLEncoder.encode(entry.getValue(), enc))
                        .append('&');
            }
            sb.deleteCharAt(sb.length() - 1);
        }
        byte[] entitydata = sb.toString().getBytes();// 得到实体的二进制数据
        URL url = new URL(path);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");
        conn.setConnectTimeout(5 * 1000);
        conn.setDoOutput(true);// 如果通过post提交数据，必须设置允许对外输出数据
        // Content-Type: application/x-www-form-urlencoded
        // Content-Length: 38
        conn.setRequestProperty("Content-Type",
                "application/x-www-form-urlencoded");
        conn.setRequestProperty("Content-Length",
                String.valueOf(entitydata.length));
        OutputStream outStream = conn.getOutputStream();
        outStream.write(entitydata);
        outStream.flush();
        outStream.close();
        if (conn.getResponseCode() == 200) {
            return true;
        }
        return false;
    }

    public static byte[] SendPostRequest(String path,
                                         Map<String, String> params, String enc) throws Exception {
        // title=dsfdsf&timelength=23&method=save
        StringBuilder sb = new StringBuilder();
        if (params != null && !params.isEmpty()) {
            for (Map.Entry<String, String> entry : params.entrySet()) {
                sb.append(entry.getKey()).append('=')
                        .append(URLEncoder.encode(entry.getValue(), enc))
                        .append('&');
            }
            sb.deleteCharAt(sb.length() - 1);
        }
        byte[] entitydata = sb.toString().getBytes();// 得到实体的二进制数据
        URL url = new URL(path);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");
        conn.setConnectTimeout(5 * 1000);
        conn.setDoOutput(true);// 如果通过post提交数据，必须设置允许对外输出数据
        // Content-Type: application/x-www-form-urlencoded
        // Content-Length: 38
        conn.setRequestProperty("Content-Type",
                "application/x-www-form-urlencoded");
        conn.setRequestProperty("Content-Length",
                String.valueOf(entitydata.length));
        OutputStream outStream = conn.getOutputStream();
        outStream.write(entitydata);
        outStream.flush();
        outStream.close();
        if (conn.getResponseCode() == 200) {
            return readStream(conn.getInputStream());
        }
        return null;
    }

    // SSL HTTPS Cookie
    public static boolean sendRequestFromHttpClient(String path,
                                                    Map<String, String> params, String enc) throws Exception {
        List<NameValuePair> paramPairs = new ArrayList<NameValuePair>();
        if (params != null && !params.isEmpty()) {
            for (Map.Entry<String, String> entry : params.entrySet()) {
                paramPairs.add(new BasicNameValuePair(entry.getKey(), entry
                        .getValue()));
            }
        }
        UrlEncodedFormEntity entitydata = new UrlEncodedFormEntity(paramPairs,
                enc);// 得到经过编码过后的实体数据
        HttpPost post = new HttpPost(path); // form
        post.setEntity(entitydata);
        DefaultHttpClient client = new DefaultHttpClient(); // 浏览器
        HttpResponse response = client.execute(post);// 执行请求
        if (response.getStatusLine().getStatusCode() == 200) {
            return true;
        }
        return false;
    }

    /**
     * 读取流
     *
     * @param inStream
     * @return 字节数组
     * @throws Exception
     */
    public static byte[] readStream(InputStream inStream) throws Exception {
        ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
        byte[] buffer = new byte[1024];
        int len = -1;
        while ((len = inStream.read(buffer)) != -1) {
            outSteam.write(buffer, 0, len);
        }
        outSteam.close();
        inStream.close();
        return outSteam.toByteArray();
    }

    /* 上传文件至Server的方法 */
    public static String uploadFile(String filename) {
        String end = "\r\n";
        String twoHyphens = "--";
        String boundary = "*****";

        try {
            URL url = new URL(HttpUtil.BASE_URL + "UpPhotoServlet");
            HttpURLConnection con = (HttpURLConnection) url.openConnection();
			/* 允许Input、Output，不使用Cache */
            con.setDoInput(true);
            con.setDoOutput(true);
            con.setUseCaches(false);
			/* 设置传送的method=POST */
            con.setRequestMethod("POST");
			/* setRequestProperty */
            con.setRequestProperty("Connection", "Keep-Alive");
            con.setRequestProperty("Charset", "UTF-8");
            con.setRequestProperty("Content-Type",
                    "multipart/form-data;boundary=" + boundary);
			/* 设置DataOutputStream */
            DataOutputStream ds = new DataOutputStream(con.getOutputStream());
            ds.writeBytes(twoHyphens + boundary + end);
            ds.writeBytes("Content-Disposition: form-data; "
                    + "name=\"file1\";filename=\"" + filename + "\"" + end);
            ds.writeBytes(end);
			/* 取得文件的FileInputStream */
            File file = new File(HttpUtil.FILE_PATH + "/" + filename);
            FileInputStream fStream = new FileInputStream(file);
			/* 设置每次写入1024bytes */
            int bufferSize = 1024;
            byte[] buffer = new byte[bufferSize];
            int length = -1;
			/* 从文件读取数据至缓冲区 */
            while ((length = fStream.read(buffer)) != -1) {
				/* 将资料写入DataOutputStream中 */
                ds.write(buffer, 0, length);
            }
            ds.writeBytes(end);
            ds.writeBytes(twoHyphens + boundary + twoHyphens + end);
			/* close streams */
            fStream.close();
            ds.flush();
			/* 取得Response内容 */
            InputStream is = con.getInputStream();
            int ch;
            StringBuffer b = new StringBuffer();
            while ((ch = is.read()) != -1) {
                b.append((char) ch);
            }
			/* 将Response显示于Dialog */
			/* 关闭DataOutputStream */
            ds.close();
            return b.toString();
        } catch (Exception e) {
            return "";
        }

    }

    public static boolean sendPostRequest(String path, String body, String enc) throws Exception {
        byte[] entitydata = body.getBytes();// 得到实体的二进制数据
        URL url = new URL(path);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");
        conn.setConnectTimeout(5 * 1000);
        conn.setDoOutput(true);// 如果通过post提交数据，必须设置允许对外输出数据
        // Content-Type: application/x-www-form-urlencoded
        // Content-Length: 38
        conn.setRequestProperty("Content-Type",
                "application/x-www-form-urlencoded");
        conn.setRequestProperty("Content-Length",
                String.valueOf(entitydata.length));
        OutputStream outStream = conn.getOutputStream();
        outStream.write(entitydata);
        outStream.flush();
        outStream.close();
        if (conn.getResponseCode() == 200) {
            return true;
        }
        return false;
    }
}
